• Jun-Jian Qin, Yan-Fang Xing, Jian-Hua Ren, Yong-Jian Chen, Ying-Fei Gan, Yan-Qiu Jiang, Jie Chen, and Xing Li.
• Department of Nephrology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
• Front Public Health. 2021 Jan 1; 9: 678738.

AbstractBackground: Infections are the second leading cause of death among patients undergoing hemodialysis. However, preventive measures against infectious diseases are limited and have not been made mandatory for patients. Objective: To investigate the incidence of infectious diseases before and during the coronavirus disease (COVID-19) pandemic. Design: A historical comparative study of a prospective cohort. Setting(s): February 1, 2015 to January 31, 2020 was defined as the period before the mitigative confrontation of the COVID-19 pandemic in China. The period from February 1 to June 29, 2020 was defined as the period of mitigative confrontation of the COVID-19 pandemic in China. Participants: A cohort of patients undergoing hemodialysis whose infectious disease episodes were documented prospectively in the hemodialysis unit of the Third Affiliated Hospital of Guangzhou Medical University since February 1, 2015. Methods: Mandatory mask-wearing and reinforced hand-hygiene education were implemented to prevent COVID-19 from January 23, 2020 in China. The incidence of infectious episodes, including catheter-related infection, digestive tract infection, upper respiratory tract infection (UTRI), pneumonia, and infection at other sites, were documented and compared in the periods before and during the pandemic. Results: The historical control group consisted of 157 patients, with 79 patients in the COVID-19 prevention group. The mask-wearing rate of patients increased from 1.5 to 100%. Hand sanitizer consumption increased significantly during the COVID-19 pandemic. The compliance rates of hand hygiene increased from 66, 75.5, to 55% in physicians, nurses, and other employees before the pandemic to 90.5, 92.5, and 76.5%, respectively. The incidences of UTRI and pneumonia decreased during the pandemic (p < 0.001). Notably, catheter-related and digestive tract infections also decreased during the pandemic (p = 0.003 and 0.034, respectively). A matched-pair study was conducted to further analyze the 79 individual changes in the incidences of infectious disease before and during the pandemic. As a result, the incidences of UTRI, pneumonia, catheter-related infections, digestive tract infections, and infections at other sites all decreased during the pandemic. Conclusions: The present study indicated an association between mandatory mask-wearing and reinforced hand hygiene education and decreased respiratory, catheter-related, and digestive tract infection episodes in the hemodialysis unit.Copyright © 2021 Qin, Xing, Ren, Chen, Gan, Jiang, Chen and Li.

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